![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to audio_int.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Qemu by Fabrice Bellard] / qemu / audio|
Return to audio_int.h CVS log | Up to [Qemu by Fabrice Bellard] / qemu / audio |
1.1 root 1: /*
2: * QEMU Audio subsystem header
1.1.1.2 ! root 3: *
! 4: * Copyright (c) 2003-2005 Vassili Karpov (malc)
! 5: *
1.1 root 6: * Permission is hereby granted, free of charge, to any person obtaining a copy
7: * of this software and associated documentation files (the "Software"), to deal
8: * in the Software without restriction, including without limitation the rights
9: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10: * copies of the Software, and to permit persons to whom the Software is
11: * furnished to do so, subject to the following conditions:
12: *
13: * The above copyright notice and this permission notice shall be included in
14: * all copies or substantial portions of the Software.
15: *
16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22: * THE SOFTWARE.
23: */
24: #ifndef QEMU_AUDIO_INT_H
25: #define QEMU_AUDIO_INT_H
26:
1.1.1.2 ! root 27: #ifdef CONFIG_COREAUDIO
! 28: #define FLOAT_MIXENG
! 29: /* #define RECIPROCAL */
! 30: #endif
! 31: #include "mixeng.h"
! 32:
! 33: struct audio_pcm_ops;
! 34:
! 35: typedef enum {
! 36: AUD_OPT_INT,
! 37: AUD_OPT_FMT,
! 38: AUD_OPT_STR,
! 39: AUD_OPT_BOOL
! 40: } audio_option_tag_e;
! 41:
! 42: struct audio_option {
! 43: const char *name;
! 44: audio_option_tag_e tag;
! 45: void *valp;
! 46: const char *descr;
! 47: int *overridenp;
! 48: int overriden;
! 49: };
1.1 root 50:
1.1.1.2 ! root 51: struct audio_callback {
! 52: void *opaque;
! 53: audio_callback_fn_t fn;
! 54: };
1.1 root 55:
1.1.1.2 ! root 56: struct audio_pcm_info {
! 57: int bits;
! 58: int sign;
! 59: int freq;
! 60: int nchannels;
! 61: int align;
! 62: int shift;
! 63: int bytes_per_second;
! 64: int swap_endian;
! 65: };
! 66:
! 67: typedef struct HWVoiceOut {
1.1 root 68: int enabled;
69: int pending_disable;
70: int valid;
1.1.1.2 ! root 71: struct audio_pcm_info info;
1.1 root 72:
73: f_sample *clip;
74:
75: int rpos;
1.1.1.2 ! root 76: uint64_t ts_helper;
1.1 root 77:
78: st_sample_t *mix_buf;
79:
80: int samples;
1.1.1.2 ! root 81: LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
! 82: struct audio_pcm_ops *pcm_ops;
! 83: LIST_ENTRY (HWVoiceOut) entries;
! 84: } HWVoiceOut;
1.1 root 85:
1.1.1.2 ! root 86: typedef struct HWVoiceIn {
! 87: int enabled;
! 88: struct audio_pcm_info info;
1.1 root 89:
1.1.1.2 ! root 90: t_sample *conv;
1.1 root 91:
1.1.1.2 ! root 92: int wpos;
! 93: int total_samples_captured;
! 94: uint64_t ts_helper;
1.1 root 95:
1.1.1.2 ! root 96: st_sample_t *conv_buf;
1.1 root 97:
1.1.1.2 ! root 98: int samples;
! 99: LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
! 100: struct audio_pcm_ops *pcm_ops;
! 101: LIST_ENTRY (HWVoiceIn) entries;
! 102: } HWVoiceIn;
1.1 root 103:
1.1.1.2 ! root 104: struct SWVoiceOut {
! 105: struct audio_pcm_info info;
1.1 root 106: t_sample *conv;
107: int64_t ratio;
108: st_sample_t *buf;
109: void *rate;
1.1.1.2 ! root 110: int total_hw_samples_mixed;
! 111: int active;
! 112: int empty;
! 113: HWVoiceOut *hw;
! 114: char *name;
! 115: volume_t vol;
! 116: struct audio_callback callback;
! 117: LIST_ENTRY (SWVoiceOut) entries;
! 118: };
1.1 root 119:
1.1.1.2 ! root 120: struct SWVoiceIn {
1.1 root 121: int active;
1.1.1.2 ! root 122: struct audio_pcm_info info;
! 123: int64_t ratio;
! 124: void *rate;
! 125: int total_hw_samples_acquired;
! 126: st_sample_t *buf;
! 127: f_sample *clip;
! 128: HWVoiceIn *hw;
1.1 root 129: char *name;
1.1.1.2 ! root 130: volume_t vol;
! 131: struct audio_callback callback;
! 132: LIST_ENTRY (SWVoiceIn) entries;
! 133: };
! 134:
! 135: struct audio_driver {
! 136: const char *name;
! 137: const char *descr;
! 138: struct audio_option *options;
! 139: void *(*init) (void);
! 140: void (*fini) (void *);
! 141: struct audio_pcm_ops *pcm_ops;
! 142: int can_be_default;
! 143: int max_voices_out;
! 144: int max_voices_in;
! 145: int voice_size_out;
! 146: int voice_size_in;
1.1 root 147: };
148:
1.1.1.2 ! root 149: struct audio_pcm_ops {
! 150: int (*init_out)(HWVoiceOut *hw, audsettings_t *as);
! 151: void (*fini_out)(HWVoiceOut *hw);
! 152: int (*run_out) (HWVoiceOut *hw);
! 153: int (*write) (SWVoiceOut *sw, void *buf, int size);
! 154: int (*ctl_out) (HWVoiceOut *hw, int cmd, ...);
! 155:
! 156: int (*init_in) (HWVoiceIn *hw, audsettings_t *as);
! 157: void (*fini_in) (HWVoiceIn *hw);
! 158: int (*run_in) (HWVoiceIn *hw);
! 159: int (*read) (SWVoiceIn *sw, void *buf, int size);
! 160: int (*ctl_in) (HWVoiceIn *hw, int cmd, ...);
! 161: };
1.1 root 162:
1.1.1.2 ! root 163: struct AudioState {
! 164: struct audio_driver *drv;
! 165: void *drv_opaque;
! 166:
! 167: QEMUTimer *ts;
! 168: LIST_HEAD (card_head, QEMUSoundCard) card_head;
! 169: LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
! 170: LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
! 171: int nb_hw_voices_out;
! 172: int nb_hw_voices_in;
! 173: };
! 174:
! 175: extern struct audio_driver no_audio_driver;
! 176: extern struct audio_driver oss_audio_driver;
! 177: extern struct audio_driver sdl_audio_driver;
! 178: extern struct audio_driver wav_audio_driver;
! 179: extern struct audio_driver fmod_audio_driver;
! 180: extern struct audio_driver alsa_audio_driver;
! 181: extern struct audio_driver coreaudio_audio_driver;
! 182: extern struct audio_driver dsound_audio_driver;
! 183: extern volume_t nominal_volume;
! 184:
! 185: void audio_pcm_init_info (struct audio_pcm_info *info, audsettings_t *as,
! 186: int swap_endian);
! 187: void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
! 188:
! 189: int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
! 190: int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
! 191:
! 192: int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len);
! 193: int audio_pcm_hw_get_live_out (HWVoiceOut *hw);
! 194: int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live);
1.1 root 195:
1.1.1.2 ! root 196: int audio_bug (const char *funcname, int cond);
! 197: void *audio_calloc (const char *funcname, int nmemb, size_t size);
1.1 root 198:
199: #define VOICE_ENABLE 1
200: #define VOICE_DISABLE 2
201:
1.1.1.2 ! root 202: static inline int audio_ring_dist (int dst, int src, int len)
! 203: {
! 204: return (dst >= src) ? (dst - src) : (len - src + dst);
! 205: }
! 206:
! 207: static inline int audio_need_to_swap_endian (int endianness)
! 208: {
! 209: #ifdef WORDS_BIGENDIAN
! 210: return endianness != 1;
! 211: #else
! 212: return endianness != 0;
! 213: #endif
! 214: }
! 215:
! 216: #if defined __GNUC__
! 217: #define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2)))
! 218: #define INIT_FIELD(f) . f
! 219: #define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (__printf__, n, m)))
! 220: #else
! 221: #define GCC_ATTR /**/
! 222: #define INIT_FIELD(f) /**/
! 223: #define GCC_FMT_ATTR(n, m)
! 224: #endif
! 225:
! 226: static void GCC_ATTR dolog (const char *fmt, ...)
! 227: {
! 228: va_list ap;
! 229:
! 230: va_start (ap, fmt);
! 231: AUD_vlog (AUDIO_CAP, fmt, ap);
! 232: va_end (ap);
! 233: }
! 234:
! 235: #ifdef DEBUG
! 236: static void GCC_ATTR ldebug (const char *fmt, ...)
! 237: {
! 238: va_list ap;
! 239:
! 240: va_start (ap, fmt);
! 241: AUD_vlog (AUDIO_CAP, fmt, ap);
! 242: va_end (ap);
! 243: }
! 244: #else
! 245: #if defined NDEBUG && defined __GNUC__
! 246: #define ldebug(...)
! 247: #elif defined NDEBUG && defined _MSC_VER
! 248: #define ldebug __noop
! 249: #else
! 250: static void GCC_ATTR ldebug (const char *fmt, ...)
! 251: {
! 252: (void) fmt;
! 253: }
! 254: #endif
! 255: #endif
! 256:
! 257: #undef GCC_ATTR
! 258:
! 259: #define AUDIO_STRINGIFY_(n) #n
! 260: #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
! 261:
! 262: #if defined _MSC_VER || defined __GNUC__
! 263: #define AUDIO_FUNC __FUNCTION__
! 264: #else
! 265: #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__)
! 266: #endif
! 267:
1.1 root 268: #endif /* audio_int.h */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.